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Traverse a list in reverse order in Python
...d the loop index, and don't want to traverse the entire list twice, or use extra memory, I'd write a generator.
def reverse_enum(L):
for index in reversed(xrange(len(L))):
yield index, L[index]
L = ['foo', 'bar', 'bas']
for index, item in reverse_enum(L):
print index, item
...
Composer killed while updating
...
DigitalOcean fix that does not require extra memory - activating swap, here is an example for 1gb:
in terminal run below
/bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
/sbin/mkswap /var/swap.1
sudo /sbin/swapon /var/swap.1
The above solution will work un...
Referring to a Column Alias in a WHERE Clause
... Do you happen to know how this fairs efficiency wise? Is there extra overhead using a CTE?
– James
Jul 4 '14 at 9:20
5
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How to delete a file from SD card?
...YCOMB)
public static boolean deleteViaContentProvider(Context context, String fullname)
{
Uri uri=getFileUri(context,fullname);
if (uri==null)
{
return false;
}
try
{
ContentResolver resolver=context.getContentResolver();
...
RESTful URL design for search
...
For the searching, use querystrings. This is perfectly RESTful:
/cars?color=blue&type=sedan&doors=4
An advantage to regular querystrings is that they are standard and widely understood and that they can be generated from form-get.
...
How to pull request a wiki page on GitHub?
...rocess works fine. However, after merging a pull-request I have to do the extra step of pulling to my local repo and then pushing to both the main repo and the wiki, which git supports fine with multiple origin URLS:
localhost:website robmoffat$ git remote show origin
* remote origin
Fetch URL: ...
Finding the direction of scrolling in a UIScrollView?
...
No need to add an extra variable to keep track of this. Just use the UIScrollView's panGestureRecognizer property like this. Unfortunately, this works only if the velocity isn't 0:
CGFloat yVelocity = [scrollView.panGestureRecognizer velocity...
JavaScript naming conventions [closed]
...ink, I can't believe a "link answer" has so many votes. You could at least extract & format the relevant parts of the linked page.
– Adrien Be
Nov 13 '14 at 9:26
...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
...
Adding some extra flavor for this answer, as also ran into a bit of confusion. You should be able to drop this test into any @RunWith(AndroidJUnit4.class) test you have in your project (you'll also need to add the dimens to your dimens.x...
Bootstrap trying to load map file. How to disable it? Do I need to do it?
...y when the dev tools are open, so if it's missing, you are not getting any extra failing requests when a typical users go to your page.
– tomf
Aug 6 '15 at 16:57
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